KEYENCE EX-V User Manual

96M0558

Instruction

Manual

High-speed, High-Accuracy

Digital Displacement Sensor

EX-V Series

Safety Precautions

This instruction manual describes the operation and function of the EX-V. Read this manual carefully to ensure safe use and maximum performance from your EX-V.

Symbols

The following symbols alert you to important messages. Be sure to read these messages carefully.

	WARNING	Failure to follow instructions may lead to injury. (electric
		shock, burn, etc.)
		Failure to follow instructions may lead to product damage.
	CAUTION
		Provides additional information on proper operation.
Note:

General precautions

•At startup and during operation, be sure to monitor the functions and performance of the EX-V.

•We recommend that you take substantial safety measures to avoid any damage in the event a problem occurs.

•Do not open or modify the EX-V or use it in any way other than described in the specifications.

•When the EX-V is used in combination with other instruments, functions and performance may be degraded, depending on operating conditions and the surrounding environment.

•Do not use the EX-V for the purpose of protecting the human body.

i

Warning and cautions specific to the EX-V Series

Operating environment

For optimum performance of the EX-V, always maintain a proper operating environment.

To prevent malfunction, do not install the EX-V in the following places:

CAUTION

• Places directly exposed to sunlight.

• Places where the ambient temperature drops below 0°C or exceeds 50°C.

• Places where the relative humidity drops below 35% or exceeds 85%.

• Places where temperature fluctuations may cause condensation.

• Places where the EX-V may be exposed to corrosive or flammable gas.

• Places exposed to airborne dust or corrosive substances such as salt or metal particles.

• Places where the EX-V may be subjected to vibration or impact.

• Places where water, oil or chemicals may splash the EX-V .

• Places where the EX-V may be affected by noise interference.

Connecting the EX-V to analog input equipment

Take the following countermeasures to prevent the EX-V from malfunctioning due to noise interference.

Note 1: Use a 1-core shielded cable for the output line. When using an analog voltage signal, do not use a cable longer than 10 m. If the cable needs to be longer than 10 m, convert the voltage signal into a current signal.

1-core shielded cable	Various types of
Analog	display equipment
voltage
output	Input
EX-V
0 V	0V

Note 2: Keep the wiring and connection cables separate.

Note 3: Isolate the wiring and connection cables from high-voltage or power lines; otherwise noise may cause the EX-V to malfunction.

96M0558	ii

MEMO

iii

How this manual is organized

Chapter 1		Preparation
		Describes the package contents, and explains the mounting and adjusting proce-
		dures of the controller and sensor head.
Chapter 2		Quick Guide to Basic Mode Operation
		Explains the kinds of the measurement modes and the selection procedure.
		Selecting the mode best suited to your detection purpose allows you to quickly
		operate the sensor by easy setting.
Chapter 3		Use of Common Functions
		Explains the functions common to the respective modes and the setting
		procedure.
Chapter 4		Use of Data Processing Functions
		Explains the setting and operation procedures of the respective functions.
Chapter 5		Troubleshooting
		Explains the error messages displayed when an error has occurred, and
		countermeasures to be taken.
Chapter 6		Specifications and Dimensions
		Read as necessary.
		Index
		Read as necessary.
		Warranties

iv

Contents

Chapter 1	Preparation
	1.1	Checking the Package Contents ..........................................................	2
	1.2	Part Names and Functions ....................................................................	3
	1.3	Terminal Names and Connections .......................................................	4
	1.4	Input/output Circuits ..............................................................................	5
	1.5	Mounting .................................................................................................	6
	1.5.1	Mounting and dismounting the controller ..................................................	6
	1.5.2	Mounting the sensor head ........................................................................	7
	1.6	Adjustment .............................................................................................	9
	1.6.1	Connection ................................................................................................	9
	1.6.2	Adjusting the output characteristics ..........................................................	9
Chapter 2	Quick Guide to Basic Mode Operation
	2.1	...........................................................................Measurement Modes	12
	2.1.1	Bottom-dead-center mode ......................................................................	12
	2.1.2	Eccentricity/vibration mode .....................................................................	12
	2.1.3	Thickness/gap mode ...............................................................................	13
	2.1.4	Manual mode ..........................................................................................	13
	2.2	Quick Guide to Basic Mode Operation ..............................................	14
	2.2.1	Setting the bottom-dead-center mode ....................................................	14
	2.2.2	Setting the eccentricity/vibration mode ...................................................	18
	2.2.3	Setting the thickness/gap mode ..............................................................	21
	2.3	Auto-Zero Function ..............................................................................	24
	2.4	Tolerance Limit Value Setting .............................................................	25

2.5Checking the Tolerance Limit Values

(Calling the tolerance limit values) .....................................................

27

Chapter 3 Use of Common Functions

3.1	Table of Functions and Function Numbers .......................................		30
3.2	Function Setting Flow .........................................................................		31
3.2.1	Selecting the function using the	key ..................................................	31
3.2.2	Display scaling function [E] .....................................................................		33
3.2.3	Monitor (analog voltage) output setting function [F] ................................		36
3.2.4	Digits function/decimal point function [g].................................................		39
3.2.5	Offset function [x] ....................................................................................		40
3.2.6	Output form selection function [I] ...........................................................		42
3.2.7	Panel-lock function [j].............................................................................		43

v

Chapter 4	Use of Data Processing Functions
	4.1	Table of Data Processing Functions ..................................................	46
	4.2	Details of Bottom-dead-center Mode .................................................	47
	4.2.1	No. of averaging measurements/Digital filter [A] .....................................	47
	4.2.2	Measurement type [b] .............................................................................	49
	4.2.3	Measurement period [[] ..........................................................................	53
	4.2.4	Previous value comparison function [d] ..................................................	56
	4.3	Details of Eccentricity/vibration Mode ..............................................	57
	4.3.1	No. of averaging measurements/Digital filter [A] .....................................	57
	4.3.2	Measurement type [b] .............................................................................	57
	4.3.3	Measurement period [[] ..........................................................................	61
	4.4	Details of Thickness/gap Mode .........................................................	64
	4.4.1	No. of averaging measurements/Digital filter [A] .....................................	64
	4.4.2	Measurement type [b] .............................................................................	64
	4.4.3	Measurement period [[] ..........................................................................	69
	4.4.4	Inverse/normal display function [d] .........................................................	73
	4.5	Details of Manual Mode .......................................................................	74
	4.5.1	No. of averaging measurements/Digital filter [A] .....................................	74
	4.5.2	Measurement type [b] .............................................................................	74
	4.5.3	Measurement period [[] ..........................................................................	84
	4.5.4	Previous value comparison function [d] ..................................................	84
	4.6	Hysteresis Setting ................................................................................	85
	4.7	Initialization ..........................................................................................	86

Chapter 5	Troubleshooting
	5.1	Error Messages ....................................................................................	88
	5.2	Troubleshooting List ...........................................................................	89
Chapter 6	Specifications and Dimensions
	6.1	.......................................................................................Specifications	92
	6.2	Characteristics Charts .........................................................................	93
	6.3	Minimum Input Time and Output Response Time ............................	96
	6.4	Dimensions ...........................................................................................	98
	Index
	Index	..............................................................................................................	101
	Warranties
	WARRANTIES AND DISCLAIMERS ............................................................		109

vi

Quick Index by Function/Operation

This index helps you quickly find proper EX-V function/operation according to your purpose.

Select action or operation you need to find the proper page and description.

Display/Setup

	Function/Operation	Description	Page
	Viewing tolerance values for OK/NG	Calling the tolerance limit values	27
	Setting tolerance values for OK/NG	Tolerance Limit Value Setting	25
	Ignoring fluctuation at start-up or	Previous value comparison function	56
	temperature drift
	Inputting timing signal from external	Timing input	4
	device
	Viewing outline of setup process of	Outline of setup process for each	46
	each function	function using [SET] key
	Viewing list of all function numbers	Table of Functions and Function	30, 46
	and details	Numbers
	Initializing all settings to factory	Initialization	86
	defaults
	Locking front panel operation	Panel-lock function	43
	Checking measurement period during	Strobe output	4
	adjustment
	Triggering without timing sensors	Internal trigger	53
	Moving decimal point to change unit	Decimal point function	39
	Changing measuring time for internal	Sampling delay	53
	trigger
	Deciding measurement averaging
	time according to the input/control	No. of averaging measurements	48
	method
	Setting gain/offset value for achieving	Monitor (analog voltage) output setting	36
	desired display value against input	function
	value
	Setting off-delay timer for comparator	Off-delay output	42
	output signal
	Holding comparator output signal	Hold output	42
	Selecting comparator tolerance value	External setting input	12
	from external device
	Changing display value digit to 4	Digits function	39
	digits
	Adding/subtracting desired value	Offset function	40
	to/from display value
	Quickly changing (resetting) display	Auto-Zero Function	24
	value to "0"
	Disabling comparator output during
	press machine bottom-dead-center	Output disable input	14
	adjustment
	Setting monitor voltage output	Monitor (analog voltage) output setting	36
	independent from display value	function

vii

Measurement

	Function/Operation		Description	Page
		Numbers 1. and 2. indicate the order of setup.
	Measuring thickness	1.	Setting the thickness/gap mode	21
		2.	Setting the tolerance limit
	Checking die closure failure due to	1.	Setting the measurement mode in
			initial setting (Normal mode).	76
	foreign matter
		2.	Setting the tolerance limit
	Measuring height of low profile	1.	Setting the measurement type to
			Intermittent in Thickness/Gap mode.	21
	portion
		2.	Setting the tolerance limit
	Measuring displacement of origin	1.	Setting the measurement mode in
			initial setting(Normal mode).	76
	position
		2.	Setting the tolerance limit
		1.	Setting the measurement type to\
	Detecting failure in forming with		Limited bottom-dead-center to
			measure the mold clearance during	14
	injection molding machine
			closure.
		2.	Setting the tolerance limit
	Detecting chucking error	1.	Setting the eccentricity/vibration mode	18
		2.	Setting the tolerance limit
	Measuring vibration of base plate	1.	Setting the eccentricity/vibration mode	18
		2.	Setting the tolerance limit
	Measuring runout of cutting tool	1.	Setting the eccentricity/vibration mode	18
		2.	Setting the tolerance limit
	Inputting comparator tolerance			25
	Measuring eccentricity of roller	1.	Setting the eccentricity/vibration mode	18
		2.	Setting the tolerance limit

Installation

	Function/Operation	Description	Page
	Embedding sensor into metal material	Flush-mount	7
	Installing multiple sensors in close	Mutual interference	8
	position
	Extending sensor cable	Do not extend.	8
	Cutting sensor cable	Do not cut.	8

viii

ix

Chapter 1

Preparation

Describes the package contents, and explains the mounting and adjusting procedures of the controller and sensor head.

1.1	Checking the Package Contents .........................................	2
1.2	Part Names and Functions ..................................................	3
1.3	Terminal Names and Connections ......................................	4
1.4	Input/output Circuits ............................................................	5
1.5	Mounting ................................................................................	6
1.5.1	Mounting and dismounting the controller .................................	6
1.5.2	Mounting the sensor head .......................................................	7
1.6	Adjustment ............................................................................	9
1.6.1	Connection ...............................................................................	9
1.6.2	Adjusting the output characteristics .........................................	9

Chapter 1 Preparation

1.1Checking the Package Contents

The EX-V series package includes the following parts and equipment. Check that all the parts and equipment are included in the package.

1	• Instruction manual: 1	• Controller: 1
	Instruction
	Manual
	High-speed, High-Accuracy
	Digital Displacement Sensor
	EX-V Series

• Sensor head:	• Panel mounting frame: 1
Ordered one of the following
EX-305V

EX-110V

EX-416V

EX-422V

EX-614V

2

Chapter 1 Preparation

1.2Part Names and Functions

This section explains the part names and functions.

■ Controller

Display

Displays the measured value. The value is displayed in green when the measured value is within the tolerance range. The value is displayed in red when the measured value is out of the tolerance range.

Comparator output indicators

Illuminates when the comparator output (HIGH, GO, LOW) is turned on.

Indicates the type of displayed tolerance limit value when setting or calling the tolerance limit value.

HIGH TIM

GO

LOW

CALL

SET

FUNC UTILITY MODE CALIB

POWER

1

TIMING input indicator

Illuminates when a timing signal is input.

Operation keys

POWER indicator

Illuminates green:

When operation is normally performed

Illuminates red:

When the control output is reset to OFF

■ Displays and functions

	Display	Function
	Numeric value (±19.999)	The operation result is displayed as a numeric
		value.
	FFFF (HIGH output: ON, Analog voltage	"FFFF" is displayed when the operation result is
	output: +5.8 V)	above the display range.
	-FFFF (LOW output: ON, Analog voltage	"-FFFF" is displayed when the operation result
	output: -5.8 V)	is below the display range.
	- - - - (HI, GO and LOW outputs: OFF,	There is no operation result to be displayed.
	Analog voltage output: 0V)

■ Operation keys

Key		Function
	• Resets the value on the display to "0000" (zero).
		If the offset function is selected, the value on display is reset to the offset
		value. ( For details, see page 40.)
	•	Initializes all function settings during function setting.
	•	Calls the tolerance limit setting mode. ( For details, see page 25.)
FUNC	• Calls the function setting modes ("A" to "D") to perform setting of each
		function. ( For details, see pages 48, 57, 64, and 74.)
	• Calls the adjustment mode.
CALL	• Saves each setting.
	• Cancels each error message.
CALIB	• Calls the tolerance limit value during measurement.
	( For details, see page 27.)
	•	Selects each setting.
UTILITY	• Calls the common function selection modes ("E" to "J").
	• Sets each function number.
MODE	• Calls the measurement mode.

3

Chapter 1 Preparation

1.3Terminal Names and Connections

This section explains the terminal names and functions.

	1		HIGH 10		20	ALARM
			GO	9	19	STROBE
			LOW	8	18	GND2
			GND1	7	17	EXT1
			TIMING	6	16	EXT2
		HOLD RESET		5	15	SYNC
			ZERO	4	14	MONITOR
		OUTPUT DISABLE		3	13	0V
			–	2	12	Sensor head
		24V DC
			+	1	11	Terminal block
		No.	Terminal name			Function
		1, 2	Power supply		24 VDC ±10%
		3	Comparator output		Resets the comparator output to OFF when this terminal is
			disable input		short-circuited to the grounding terminal.
					Resets the value on the display to "0000" (offset value
		4	Auto-zero input		when the offset function is selected) when this terminal is
					short-circuited to the grounding terminal.
					When this terminal is short-circuited to the grounding
		5	Hold-reset input		terminal: 1. Cancels the hold state of the open collector
					output. 2. Resets each hold mode data.
		6	Timing input		Inputs a timing signal when this terminal is short-circuited
					to the grounding terminal.
		7	Grounding
		8	LOW output		Outputs when the displayed value is lower than the LOW
					limit value.
		9	GO output		Outputs when the displayed value is within the tolerance
					range.
		10	HIGH output		Outputs when the displayed value is higher than the HIGH
					limit value.
		11, 12	Sensor head		Connects the sensor head.
			connection
		13, 14	Monitor (analog		Outputs analog voltage (-5 to +5 V) in proportion to the
			voltage) output		displayed value.
		15	Synchronous input		Stops sensor head oscillation and holds the output when
					this terminal is short-circuited to the grounding terminal.
		16, 17	External setting		Calls the preset four kinds of tolerance limit values. This
			input		input is enabled when the panel-lock function is set to ON.
		18	Grounding
					Turns ON during the sampling period. This terminal is
		19	Strobe output		enabled only when the internal trigger function is used.
					(N.O.)
		20	Alarm output		Outputs when an abnormal state occurs. (N.C.)
	CAUTION	Since the power GND, GND1 and GND2 are connected through choke coils,
		make sure so that no potential difference develops.

4

Chapter 1 Preparation

1.4 Input/output Circuits

Input circuit

TIMING, HOLD RESET

+24 V

3 kΩ

IN

470 Ω

GND

ZERO, EXT1•2, OUTPUT DISABLE
SYNC	1
+24 V
10 kΩ
IN
3 kΩ
GND

Output circuit

HIGH, GO, LOW, STROBE

NPN Output

GND

NPN open-collector, 40 V, 100 mA max.

MONITOR (analog voltage) output

100 Ω

Output

0 V

0 V

5

Chapter 1 Preparation

1.5Mounting

This section explains the mounting procedure for the controller and sensor head and the wiring connections.

	1	1.5.1 Mounting and dismounting the controller
		Mounting
		Insert the controller from the front of the panel and fix it using the panel mounting
		frame.

	1. Insert the controller.	2. Fix the controller using the
		panel mounting frame.

Panel

Panel mounting frame

Dismounting

While raising the catches at sections 1 and 2 with a flat blade screwdriver, push the controller forward from the back.

1

			Push the controller forward.
	2

6

Chapter 1 Preparation

1.5.2 Mounting the sensor head

Mounting

•Tighten the EX-305V set screw and EX-110V nut away from the tip of the sensor head as shown in the figure.

8 mm min.

	5 mm min.
M3 set screw
EX-305V	EX-110V

1

•Referring to the measuring distance in the table below, determine the distance between the tip of the sensor head and target.

Model	Measuring distance (mm)
EX-305V	1
EX-110V	2
EX-416V	5
EX-422V	10
EX-614V	4

Note: After making the adjustment, do not change the position of the nut or screw. If the position is changed, the output characteristics may change even when the nut or screw is positioned in the range shown in the figure.

Flush-mounting

To flush-mount the sensor head in a metal base, follow the guidelines given in the table below.

	Distance (mm)	A	B
	Model
	EX-305V	10	9
	EX-110V	12	9
	EX-416V	35	10
	EX-422V	55	20
	EX-614V	16 x 32	5

øA

B

*The table above shows the dimensions to use when the metal base is iron.

*The table above shows the dimensions to satisfy the specifications when the sensor head is flush-mounted after the output characteristics have been adjusted with no metal present around the head.

7

Chapter 1 Preparation

When mounting two or more sensor heads of the same model in parallel

	• The sensor may not output the correct voltage due to mutual interference. Make
	sure that the distance between sensor heads adjacent to each other is larger
	than the values shown in the table below. (This allows the display resolution
	specification to be satisfied when the number of measurements to average is
1	"64".)
	• When two sensor heads are mounted in parallel, mutual interference can be
	prevented by alternately oscillating the sensor heads using the synchronous

input terminal ( page 4).

	Distance (mm)	Parallel mounting
	Model
	EX-305V	80	Parallel mounting
	EX-110V	300
	EX-416V	650
	EX-422V	310
	EX-614V	245

Tightening torque

CAUTION

To tighten the EX-305V set screw, apply a torque of 0.2 N•m or less.

To tighten the nut of the other sensor heads, apply a torque shown in the table below or less.

EX-110V	EX-416V	EX-422V
10 N• m max.	20 N• m max.	10 N• m max.

•If the applied tightening torque exceeds the specified one, the sensor head may be deformed or malfunction.

•If the sensor cable is installed in the same conduit as high voltage lines or power lines, the sensor may malfunction. Be sure to keep the wiring separate.

Note: Do not change the sensor cable length (3 m). If the cable is extended or cut, the characteristics will change.

8

Chapter 1 Preparation

	1.6	Adjustment
		Though the EX-V series has been factory-adjusted, follow the procedure described
		below to adjust the sensor using your actual target in order to satisfy the
		specifications. When the sensor head has been replaced, be sure to make this	1
		adjustment.
	1.6.1	Connection

1.Connect the core and shielding wires of the sensor head to sensor head connection terminals 11 and 12 of the controller.

2.After making the connection,

connect the power supply cable to 10	20
power supply terminals 1 and 2.	19
9

The POWER indicator on the controller illuminates, and the sensor enters the operation state.

–

24V DC

+

8	18
7	17
6	16
5	15
4	14
3	13
2	12	Sensor head
1	11

Terminal block

Note: Let the sensor warm up for 30 minutes or more after supplying power to it, and then start the adjustment.

1.6.2Adjusting the output characteristics

1.Press the key for at least 2 seconds.

The sensor displays "0" and enters the adjustment mode.

HIGH TIM

GO

LOW

CALL

SET

FUNC UTILITY MODE

CALIB

2.With no metal object present around the sensor head, press the key. The sensor displays "1" and moves to the next setting step.

Note 1: Do not touch the metal area of the sensor head with your hand.

Note 2: Make sure that no metal object is present within a radius of 15 centimeters around the sensor head.

9

Chapter 1 Preparation

3. Bring the sensor head in contact with the target.

1	4. Press the	key.

The sensor displays "2" and moves to the next setting step.

CALL

SET

5.Move the sensor head.

Move the sensor head so that the distance between the sensor head and target is the full scale of the measuring distance (maximum distance) of the sensor head.

Full scale

6.Press the key.

The sensor displays "3" and moves to the next setting step.

CALL

SET

7.Move the sensor head.

Move the sensor head so that the distance between the sensor head and target is half the measuring distance (half scale).

Half scale

8.Press the key.

The sensor displays "End".

CALL

SET

9.Press the key to complete the adjustment. The sensor starts measurement.

Reference: To stop the adjustment, press the key. Then, the sensor starts measurement without making the adjustment.

Note: If the distance between the sensor head and target is improperly adjusted during the adjustment, "Err 6" is displayed. Press the key to cancel the error, and then readjust the distance.

10

Chapter 2

Quick Guide to Basic Mode Operation

Explains the kinds of the measurement modes and the selection procedure. Selecting the mode best suited to your detection purpose allows you to quickly operate the sensor by easy setting.

2.1	Measurement Modes ...........................................................	12
2.1.1	Bottom-dead-center mode .....................................................	12
2.1.2	Eccentricity/vibration mode ....................................................	12
2.1.3	Thickness/gap mode ..............................................................	13
2.1.4	Manual mode .........................................................................	13
2.2	Quick Guide to Basic Mode Operation ..............................	14
2.2.1	Setting the bottom-dead-center mode ...................................	14
2.2.2	Setting the eccentricity/vibration mode ..................................	18
2.2.3	Setting the thickness/gap mode .............................................	21
2.3	Auto-Zero Function .............................................................	24
2.4	Tolerance Limit Value Setting ............................................	25

2.5Checking the Tolerance Limit Values

(Calling the tolerance limit values) ....................................

27

Chapter 2 Quick Guide to Basic Mode Operation

	2.1		Measurement Modes
			The EX-V series provides the following four measurement modes: "Bottom-dead-
			center mode", "Eccentricity/vibration mode", "Thickness/gap mode" (which are
			basic modes for quick operation), and "Manual mode" (which allows users to
			perform setting as desired). This section explains the major functions of each
			mode.
		2.1.1 Bottom-dead-center mode
	2
			This mode is used to measure the displacement of the origin position of a machine
			with stroke movements such as a press. When the displacement of the bottom
			dead center or origin position is out of the preset tolerance range, the sensor
			outputs an Alarm signal.

Displacement

Bottom dead center

Displayed value

Time

Major applications

•Detecting the bottom dead center position of a press

•Detecting the bottom dead center position of a press-fit machine

•Detecting the bottom dead center position of a welding machine

•Pressure control for a injection molding machine

•Measuring the depth of the recess on a piston head

2.1.2Eccentricity/vibration mode

This mode is used to measure the roller eccentricity or abnormal machine vibration. When the amplitude of the runout or vibration is larger than the preset tolerance limit value, the sensor outputs an Alarm signal.

Displacement

OK	NG

Time

Major applications

•Measuring roller eccentricity

•Measuring surface plate runout

•Detecting runout due to improper chucking

•Measuring drill bit eccentricity

12

Chapter 2 Quick Guide to Basic Mode Operation

2.1.3 Thickness/gap mode

This mode is used to measure target thickness or gap with a direct reading value. When the thickness or gap is larger or smaller than the preset upper or lower value for the tolerance limit, the sensor outputs an Alarm signal.

Displacement	Displayed value
	Time

Major applications

•Measuring hoop material thickness

•Checking grindstone abrasion

•Thickness control during polishing ceramic components

2.1.4 Manual mode

In addition to the modes above, the manual mode is available. The manual mode provides the following six data processing modes to allow adaptable measurement. For details, see pages that describe each data processing mode.

	Data processing mode	Function	Reference
			page
	Normal measurement	Displays/outputs the measured value	76
		continuously.
	Peak hold	Measures the maximum value during a	76
		specified period.
	Bottom hold	Measures the minimum value during a specified	78
		period.
	Peak-to-peak hold	Measures the difference between the maximum	79
		and minimum values during a specified period.
	Sample hold	Measures the value at a specified time.	81
	Average hold	Measures the simple average of measured	82
		values during a specified period.

2

13

Chapter 2 Quick Guide to Basic Mode Operation

2.2 Quick Guide to Basic Mode Operation

This section describes the major measurement modes and an easy setting method.

2.2.1 Setting the bottom-dead-center mode

		The following example explains how to mount the EX-V series to a press.
		The basic operation is the same when mounting the EX-V series to other devices.
	2	Be sure to adjust the output characteristics before performing the following proce-
		dure. ( Refer to page 9.)
		1. Secure the sensor head to the lower die of the press.
		• Referring to the figure below, prepare the sensor head mounting jig and a
		target.
		• Refer to pages 7 and 8 for the position of the sensor head nut and the tightening torque.

Target

Sensor head

Note: Be sure to use an IRON target with sufficient area for detection. ( p.95)

Reference: When the comparator output is already connected to the emergency stop or another input for the facility, short-circuit the OUTPUT DISABLE input (terminal 3) and grounding terminal (terminal 7) to disable the comparator output before making the adjustment.

*After making the adjustment, be sure to disconnect these terminals to enable the comparator output.

2.Adjust the distance between the sensor head and target.

Move the press an inch at a time and lower the stripper (or upper die) to the bottom dead center position. (Refer to the figure below.)

Half the measuring range of the sensor to be used.

Stripper or upper die

Lower die

Die set

Adjust the distance between the sensor head and target so that the distance between them is about half the measuring distance when the stripper is in the bottom dead center position. The controller’s display shows a value close to the half scale.

In the case of the EX-305V, the value is close to “0.5”.

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Chapter 2 Quick Guide to Basic Mode Operation

*The distance between the sensor head and target should be more than the full scale when the stripper is in the top dead center position.

	Sensor model	Measuring distance	Half scale
		(mm) (Full scale)	(mm)
	EX-305V	1	0.5
	EX-110V	2	1
	EX-416V	5	2.5
	EX-422V	10	5
	EX-614V	4	2

3. Press the	key for at least 2 seconds.	2

The sensor enters the mode setting state and displays the mode number.

Mode No

HIGH TIM

GO

LOW

CALL

SET

FUNC UTILITY MODE CALIB

4.Press the key to display “1” which indicates the “bottom-dead-center” mode.

• Pressing the key changes the mode number sequentially.

Mode No.	Measurement mode
0	Manual
1	Bottom-dead-cente
2	Eccentricity/vibration
3	Thickness/gap

HIGH TIM

GO

LOW

key

•The measurement mode is factory-set to manual.

For the initial setting of each measurement mode, refer to “4.1 Table of Data Processing Functions” on page 46.

5.Press the key to save the measurement mode setting. The sensor returns to the measurement state.

Note: Changing the measurement mode initializes all preset values except for the tolerance limit values.

6.Activate the machine and check the bottom dead center position during normal operation. Press the [ZERO] key to set this position as the reference point.

When the [ZERO] key is pressed, “0000” appears on the measured value
display.		Normal bottom
		dead center
	Stripper or upper die
	Lower die
		HIGH TIM
	Die set	GO
		LOW

Reference: To compensate for the slight variation in the bottom dead center position at press startup or the influence of temperature fluctuation, refer to “Previous value comparison function [d]” on page 56.

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Chapter 2 Quick Guide to Basic Mode Operation

7.Set the upper value for the tolerance limit.

For a press, set the threshold value to the amount of the rise of the bottom dead center due to swarf.

Upper limit value

Stripper or upper die

Lower die

Die set

2

1)Press the key.

•The sensor enters the tolerance limit setting mode.

•The setting number is displayed.

Mode No

HIGH TIM

GO

LOW

CALL

SET

FUNC UTILITY MODE CALIB

Note: Press the key for a short time. When the key is pressed for 2 seconds or longer, the sensor enters the function setting mode and displays “Ab[d”. If you accidentally put the sensor into the function setting mode, press the key again to return to the measurement state.

2)Press the key to display the desired setting number.

•Pressing the key changes the setting number sequentially.

•“x” indicates the hysteresis setting. ( Refer to page 85.)

key

Reference: Four kinds of tolerance limit values (“0” to “3”) can be saved in the memory. The registered setting numbers can be switched using external signals. ( Refer to page 4.)

3)Press the key.

•The sensor automatically enters the HIGH limit value setting mode.

•The setting value is displayed in red and the HIGH indicator illuminates.

HIGH TIM

GO

LOW

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Chapter 2 Quick Guide to Basic Mode Operation

4)Press the or key to display the desired value.

• Pressing the key changes the flashing digit to the right.

HIGH TIM

GO

LOW

•Pressing the key changes the value.

•All digits flash when the fifth digit and sign can be changed.

2

No setting

		(1st to 4th digits)
(5th digit)

Example

When setting the tolerance to +20 m, specify “0020”.

5) Press the key.

The HIGH limit setting value is saved. The sensor automatically enters the LOW limit value setting mode.

HIGH TIM

GO

LOW

8.Set the lower value for the tolerance limit and press the key.

•For a press, set the threshold value to the amount of the lowering of the bottom dead center due to the absence of a target.

•Set the LOW limit value using the same procedure as in steps 7 3) and 4), and press the key to save the value.

Stripper or upper die

Lower die

	HIGH		TIM
Die set	GO
	LOW

Note 1: The output is disabled during the tolerance limit value setting. When the output is already on, however, the output is retained.

Note 2: Pressing the key does not save the changes if [HIGH setting value – Hysteresis] is smaller than [LOW setting value + Hysteresis]. In this case, “Err1” is displayed. Press the key again to cancel the error, and then specify the correct values.

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Chapter 2 Quick Guide to Basic Mode Operation

2.2.2 Setting the eccentricity/vibration mode

The following example explains the procedure for roller eccentricity measurement.

The basic operation is the same when mounting the EX-V series to other devices. Be sure to adjust the output characteristics before performing the following procedure ( page 9).

1.Mount the sensor head to the machine.

For the sensor head mounting procedure, read "Mounting the sensor head" (pages 7 and 8).

2

Note: Be sure to use an IRON target with sufficient area for detection. ( page 95)

Reference: When the comparator output is already connected to the emergency stop or another input for the facility, short-circuit the OUTPUT DISABLE input (terminal 3) and grounding terminal (terminal 7) to disable the comparator output before making the adjustment.

*After making the adjustment, be sure to disconnect these terminals to enable the comparator output.

2.Press the key for at least 2 seconds.

The sensor enters the mode setting state and displays the mode number.

Mode No.

HIGH TIM

GO

LOW

CALL

SET

FUNC UTILITY MODE CALIB

3.Press the key to display "2" which indicates the "eccentricity/vibration" mode.

• Pressing the key changes the setting number sequentially.

Mode No.	Measurement mode
0	Manual
1	Bottom-dead-center
2	Eccentricity/vibration
3	Thickness/gap

HIGH TIM

GO

LOW

key

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Chapter 2 Quick Guide to Basic Mode Operation

•The measurement mode has been factory-set to manual.

For the initial setting of the functions for each measurement mode, refer to "4.1 Table of Data Processing Functions" (page 46).

	4.	Press the	key to save the measurement mode setting.
		The sensor returns to the measurement state.
	Note: Changing the measurement mode initializes all preset values except for the
	tolerance limit values.
					2
	5.	Activate the machine and check the runout value during normal operation.
		The value displayed in this step is the runout per cycle.

6.Set the upper value for the tolerance limit.

Calculate the upper limit value by adding the upper limit value of the required tolerance to the value displayed during normal operation, and set the value as the HIGH limit value.

Example

When the runout value during normal operation is "10 m" and the tolerance is "+30 m", set the HIGH limit value to "0.040". When the runout value exceeds "40m", the comparator output is turned on.

1)Press the key.

•The sensor enters the tolerance limit setting mode.

•The setting number is displayed.

Setting No.

HIGH TIM

GO

LOW

CALL

SET

FUNC UTILITY MODE

CALIB

Note: Press the key for a short time. When the key is pressed for 2 seconds or longer, the sensor enters the function setting mode and displays "Ab(d". If you accidentally put the sensor into the function setting mode, press the key again to return to the measurement state.

2)Press the key to display the desired setting number.

•Pressing the key changes the setting number sequentially.

•"x" indicates the hysteresis setting ( page 85).

key

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Chapter 2 Quick Guide to Basic Mode Operation

Reference: Four kinds of tolerance limit values ("0" to "3") can be saved in the memory. The registered setting numbers can be switched using external signals ( page 4).

3)Press the key.

•The sensor automatically enters the HIGH limit value setting mode.

•The setting value is displayed in red and the HIGH indicator illuminates.

2	GO	TIM
	HIGH
	LOW

4)Press the or key to display the desired value.

• Pressing the key changes the flashing digit to the right.

HIGH TIM

GO

LOW

•Pressing the key changes the value.

•All digits flash when the fifth digit and sign can be changed.

No setting

(5th digit)		(1st to 4th digits)

5)Press the key.

The HIGH limit setting value is saved. The sensor automatically enters the LOW limit value setting mode.

HIGH TIM

GO

LOW

6)Press the key again.

7.Activate the machine to check whether the comparator output correctly works according to the tolerance limit setting values.

• The GO comparator output indicator on the controller illuminates when the measured value is within the tolerance range. The HIGH indicator illuminates when the measured value is higher than the upper limit value. The LOW indicator illuminates when the measured value is lower than the lower limit value.

• To perform fine adjustment of the tolerance limit values, repeat steps 5) and 6) described above.

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